Modular backrest unit



FIG. 1 is a generally front and partial top and left side perspective view of a modular backrest unit embodying the design of the present invention;

FIG. 2 is an exploded generally front and partial top and left side perspective view thereof;

FIG. 3 is a top plan view of the modular back support element shown separately for clarity of illustration;

FIG. 4 is a front elevational view of FIG. 3;

FIG. 5 is a right side elevational view of FIG. 3, the left side being a mirror image of that shown;

FIG. 6 is a rear elevational view of FIG. 3;

FIG. 7 is a bottom plan view of FIG. 3;

FIG. 8 is a top plan view of one of the modular lateral support elements of the modular backrest unit, shown separately for clarity of illustration;

FIG. 9 is a rear elevational view of FIG. 8;

FIG. 10 is a left side elevational view of FIG. 8;

FIG. 11 is a front elevational view of FIG. 8; and,

FIG. 12 is a bottom plan view of FIG. 8.

The cross-hatching represents conventional fabric and is understood to extend throughout the areas represented. The dotted lines represent stitching. 

The ornamental design for a modular backrest unit, as shown and described. 